The Sentinel Armor permanently attaches to the PowerMadd Sentinel handguards adding complete 360-degree protection. Utilizing the Sentinels popular style the Sentinel Armor looks good while doubling the amount of protection! The Sentinel Armor is constructed of lightweight closed cell molded AEPE foam, which is both waterproof and extremely durable. Works with both the Mirror Kit and Hand Wrap. Requires Sentinel Handguards.